Vamplady019's manga / #Gender Bender(23)

Choi Ida the MC, lives with her family serving the Chin family. She's bullied and treated like a maid by Chin Mimi, and egotistical girl. Choi Ida has a secret, to relieve her stress she disguised herself as a boy and beat up all the bad guys and girls she finds doing bad things to others. while she was disguised as a boy, she meets Gang Naru, a boy that thinks she looks like his dead brother, and he falls for her.

Song Ih and A ul are twins.All her life, Song Ih has to suffer because her family only cares about her twin brother and neglect her. Song Ih is a girl and she's a bully punisher. A ul is a boy and goes to an all boys school. he's in love with the most popular guy in the school and confesses to him but he turns him down because he only likes girls. He got heartbroken and tries to commit suicide but a teacher found him and took him to the hospital. Song Ih tells her parents that she's gonna take his brother place at school so he doesn't lose his scholarship, but the real reason is that she wants to investigate the reason why his brother tried to kill himself.